| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Some ECOFF definitions. |
| 3 | */ |
| 4 | typedef struct filehdr { |
| 5 | unsigned short f_magic; /* magic number */ |
| 6 | unsigned short f_nscns; /* number of sections */ |
| 7 | long f_timdat; /* time & date stamp */ |
| 8 | long f_symptr; /* file pointer to symbolic header */ |
| 9 | long f_nsyms; /* sizeof(symbolic hdr) */ |
| 10 | unsigned short f_opthdr; /* sizeof(optional hdr) */ |
| 11 | unsigned short f_flags; /* flags */ |
| 12 | } FILHDR; |
| 13 | #define FILHSZ sizeof(FILHDR) |
| 14 | |
| 15 | #define OMAGIC 0407 |
| 16 | #define MIPSEBMAGIC 0x160 |
| 17 | #define MIPSELMAGIC 0x162 |
| 18 | |
| 19 | typedef struct scnhdr { |
| 20 | char s_name[8]; /* section name */ |
| 21 | long s_paddr; /* physical address, aliased s_nlib */ |
| 22 | long s_vaddr; /* virtual address */ |
| 23 | long s_size; /* section size */ |
| 24 | long s_scnptr; /* file ptr to raw data for section */ |
| 25 | long s_relptr; /* file ptr to relocation */ |
| 26 | long s_lnnoptr; /* file ptr to gp histogram */ |
| 27 | unsigned short s_nreloc; /* number of relocation entries */ |
| 28 | unsigned short s_nlnno; /* number of gp histogram entries */ |
| 29 | long s_flags; /* flags */ |
| 30 | } SCNHDR; |
| 31 | #define SCNHSZ sizeof(SCNHDR) |
| 32 | #define SCNROUND ((long)16) |
| 33 | |
| 34 | typedef struct aouthdr { |
| 35 | short magic; /* see above */ |
| 36 | short vstamp; /* version stamp */ |
| 37 | long tsize; /* text size in bytes, padded to DW bdry*/ |
| 38 | long dsize; /* initialized data " " */ |
| 39 | long bsize; /* uninitialized data " " */ |
| 40 | long entry; /* entry pt. */ |
| 41 | long text_start; /* base of text used for this file */ |
| 42 | long data_start; /* base of data used for this file */ |
| 43 | long bss_start; /* base of bss used for this file */ |
| 44 | long gprmask; /* general purpose register mask */ |
| 45 | long cprmask[4]; /* co-processor register masks */ |
| 46 | long gp_value; /* the gp value used for this object */ |
| 47 | } AOUTHDR; |
| 48 | #define AOUTHSZ sizeof(AOUTHDR) |
| 49 | |
| 50 | #define OMAGIC 0407 |
| 51 | #define NMAGIC 0410 |
| 52 | #define ZMAGIC 0413 |
| 53 | #define SMAGIC 0411 |
| 54 | #define LIBMAGIC 0443 |
| 55 | |
| 56 | #define N_TXTOFF(f, a) \ |
| 57 | ((a).magic == ZMAGIC || (a).magic == LIBMAGIC ? 0 : \ |
| 58 | ((a).vstamp < 23 ? \ |
| 59 | ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + 7) & 0xfffffff8) : \ |
| 60 | ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + SCNROUND-1) & ~(SCNROUND-1)) ) ) |
| 61 | #define N_DATOFF(f, a) \ |
| 62 | N_TXTOFF(f, a) + (a).tsize; |